7.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- City University of New YorkUS288 papers
- The Graduate Center, CUNYUS113 papers
- American Museum of Natural HistoryUS71 papers
- Kirtland Air Force BaseUS50 papers
- Donostia International Physics CenterES44 papers
- U.S. Air Force Research Laboratory Space Vehicles Directorate33 papers
- Slovak Academy of SciencesSK29 papers
- California Institute of TechnologyUS24 papers
- University of New MexicoUS21 papers
- Columbia UniversityUS20 papers
- Université de MontréalCA19 papers
- University of California San DiegoUS18 papers
58 papers · 1 filter
Inspecting Cloudy Substellar Atmospheres with JWST MIRI Synthetic Magnitudes from Spitzer Mid-infrared Spectra
Jolie LHeureux, Genaro Suárez, Johanna M. Vos +4
We examine the positions of substellar objects in mid-infrared color-magnitude and color-color diagrams to distinguish between cloudy and cloud-free atmospheres. Using Spitzer mid-…
Clouds with a silicate lining: Using JWST spectra to probe atmospheric diversity in young AB Dor L dwarfs
M. B. Lam, J. M. Vos, G. Suárez +13
We present the first full JWST NIRSpec Prism and MIRI LRS 0.6 - 14 m (R ~ 100) spectra and analysis of five ~ 133 Myr L dwarf members of the AB Doradus moving group and one prob…
Disentangling the Effects of Temperature, Clouds, and Gravity on K I doublet in L dwarfs
Alexandra J. Baldelli, Genaro Suárez, Kelle L. Cruz +2
We investigate the effects of surface gravity, effective temperature, and cloudiness on the potassium doublet (\ion{K}{1}) at 1.17 μm in brown dwarf spectra. Using pseudo-Voigt pro…
Accurate and Model Independent Radius Determination of Single FGK and M Dwarfs Using Gaia DR3 Data
Rocio Kiman, Timothy D. Brandt, Jacqueline K. Faherty +1
Measuring fundamental stellar parameters is key to fully comprehending the evolution of stars. However, current theoretical models over-predict effective temperatures, and under-pr…
Thirteen New M Dwarf + T Dwarf Pairs Identified with WISE/NEOWISE
Federico Marocco, J. Davy Kirkpatrick, Adam C. Schneider +31
We present the discovery of 13 new widely separated T dwarf companions to M dwarf primaries, identified using WISE/NEOWISE data by the CatWISE and Backyard Worlds: Planet 9 project…
Methane Emission From a Cool Brown Dwarf
Jacqueline K. Faherty, Ben Burningham, Jonathan Gagné +21
Beyond our solar system, aurorae have been inferred from radio observations of isolated brown dwarfs (e.g. Hallinan et al. 2006; Kao et al. 2023). Within our solar system, giant pl…
Near-infrared spectroscopic characterisation of Gaia ultra-cool dwarf candidates; Spectral types and peculiarities
T. Ravinet, C. Reylé, N. Lagarde +10
Context: The local census of very low-mass stars and brown dwarfs is crucial to improving our understanding of the stellar-substellar transition and their formation history. These…
Examining the Rotation Period Distribution of the 40 Myr Tucana-Horologium Association with TESS
Mark Popinchalk, Jacqueline K. Faherty, Jason L. Curtis +6
The Tucana-Horologium Association (Tuc-Hor) is a 40 Myr old moving group in the southern sky. In this work, we measure the rotation periods of 313 Tuc-Hor objects with TESS light c…
Discovery of a Mid-L Dwarf Companion to the L 262-74 System
Léopold Gramaize, Adam C. Schneider, Federico Marocco +9
We present the discovery of CWISE J151044.74524923.5, a wide low-mass companion to the nearby (24.7 pc) system L 262-74, which was identified through the Backyard Worlds:…
The Oceanus Moving Group: A New 500 Myr-Old Host for the Nearest Brown Dwarf
Jonathan Gagné, Leslie Moranta, Jacqueline K. Faherty +5
We report the discovery of the Oceanus moving group, a 500 Myr-old group with 50 members and candidate members at distances 2-50 pc from the Sun using an unsupervised clu…
wdwarfdate: A Python Package to Derive Bayesian Ages of White Dwarfs
Rocio Kiman, Siyi Xu, Jacqueline K. Faherty +5
White dwarfs have been successfully used as cosmochronometers in the literature, however their reach has been limited in comparison to their potential. We present wdwarfdate, a pub…
A Wide Planetary Mass Companion Discovered Through the Citizen Science Project Backyard Worlds: Planet 9
Jacqueline K. Faherty, Jonathan Gagne, Mark Popinchalk +24
Through the Backyard Worlds: Planet 9 citizen science project we discovered a late-type L dwarf co-moving with the young K0 star BD+60 1417 at a projected separation of 37" or 1662…
The first retrieval of a substellar subdwarf: A cloud-free SDSS J125637.13-022452.4
Eileen C. Gonzales, Ben Burningham, Jacqueline K. Faherty +5
We present the first retrieval analysis of a substellar subdwarf, SDSS J125637.13-022452.4 (SDSS J1256-0224), using the Brewster retrieval code base. We find SDSS J1256-0224 is bes…
Evaluating Rotation Periods of M Dwarfs Across the Ages
Mark Popinchalk, Jacqueline K. Faherty, Rocio Kiman +5
In this work we examine M dwarf rotation rates at a range of ages to establish benchmarks for Mdwarf gyrochronology. This work includes a sample of 713 spectroscopically-classified…
Cloud busting: enstatite and quartz clouds in the atmosphere of 2M2224-0158
Ben Burningham, Jacqueline K. Faherty, Eileen C. Gonzales +7
We present the most detailed data-driven exploration of cloud opacity in a substellar object to-date. We have tested over 60 combinations of cloud composition and structure, partic…
Calibration of the Halpha Age-Activity relation for M dwarfs
Rocio Kiman, Jacqueline K. Faherty, Kelle L. Cruz +6
In this work, we calibrate the relationship between Halpha emission and M dwarf ages. We compile a sample of 892 M dwarfs with Halpha equivalent width (HaEW) measurements from the…
Gyro-Kinematic Ages for around 30,000 Kepler Stars
Yuxi, Lu, Ruth Angus +3
Estimating stellar ages is important for advancing our understanding of stellar and exoplanet evolution and investigating the history of the Milky Way. However, ages for low-mass s…
Retrieval of SDSS J1416+1348AB
Eileen Gonzales, Ben Burningham, Jackie Faherty +5
We present the distance-calibrated spectral energy distribution (SED) of the d/sdL7 SDSS J14162408+1348263A (J1416A) and an updated SED for SDSS J14162408+1348263B (J1416B). We als…
The Ultra-Cool Dwarf Sample III: Seven new multiple systems containing at least one DR2 ultra-cool dwarf
F. Marocco, R. L. Smart, E. E. Mamajek +8
We present ten new ultra-cool dwarfs in seven wide binary systems discovered using DR2 data, identified as part of our Ultra-Cool Dwarf Sample proje…
WISE2150-7520AB: A very low mass, wide co-moving brown dwarf system discovered through the citizen science project Backyard Worlds: Planet 9
Jacqueline K. Faherty, Sam Goodman, Dan Caselden +11
We report the discovery of WISE2150-7520AB (W2150AB): a widely separated (~ 341 AU) very low mass L1 + T8 co-moving system. The system consists of the previously known L1 primary 2…
A Reanalysis of the Fundamental Parameters and Age of TRAPPIST-1
Eileen C. Gonzales, Jacqueline K. Faherty, Jonathan Gagné +3
We present the distance-calibrated spectral energy distribution (SED) of TRAPPIST-1 using a new medium resolution (R~6000) near-infrared FIRE spectrum and its Gaia parallax. We rep…
The Ultracool SpeXtroscopic Survey. I. Volume-Limited Spectroscopic Sample and Luminosity Function of M7L5 Ultracool Dwarfs
Daniella C. Bardalez Gagliuffi, Adam J. Burgasser, Sarah J. Schmidt +9
We present a volume-limited, spectroscopically-verified sample of M7L5 ultracool dwarfs within 25\,pc. The sample contains 410 sources, of which have trigonometric distan…
Radial Velocities, Space Motions, and Nearby Young Moving Group Memberships of Eleven Candidate Young Brown Dwarfs
Adric R. Riedel, Victoria DiTomasso, Emily L. Rice +5
We present new radial velocity (RV) measurements for 11 candidate young very-low-mass stars and brown dwarfs, with spectral types from M7 to L7. Candidate young objects were identi…
Exploring the age dependent properties of M and L dwarfs using Gaia and SDSS
Rocio Kiman, Sarah J. Schmidt, Ruth Angus +3
We present a sample of 74,216 M and L dwarfs constructed from two existing catalogs of cool dwarfs spectroscopically identified in the Sloan Digital Sky Survey (SDSS). We cross-mat…